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Martyr Propeller Nut Kit

Cat.No:  1311P

our price $49.95 - $69.95

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Propeller nut anodes add extra protection to both your propeller and drive shaft. Replace your standard prop nut with this holder nut and attach the zinc anode. Replacement zinc anodes available.

Martyr anodes are pressure diecast and manufactured to strict quality standards through an ISO9001 Quality Management System. In addition, each alloy is guaranteed to be manufactured to the latest US Military Alloy specification and is chemically tested regularly in Martyr's in-house labs to ensure consistency.


  • For use in saltwater.
  • Not recommended for fresh water.
  • Alloy is manufactured to meet or exceed Military specification MIL-A-18001K.
  • ISO9001 standards.

Composition Zinc Alloy

  • Cadmium: 0.025%-0.07%.
  • Copper: 0.005%max.
  • Cadmium: 0.025%-0.07%.
  • Iron: 0.005% max.
  • Lead: 0.006% max.
  • Aluminium: 0.1%-0.5%.
  • Zinc**: Remainder.
    ** Martyr anodes have a zinc purity 99.995%.


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